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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
2-Propanol with 1-Heptene and Water
Components:
(1) Water; H2O; [7732-18-5]
NIST Chemistry WebBook
for detail
(2) 1-Heptene; C7H14; [592-76-7]
NIST Chemistry WebBook
for detail
(3) 2-Propanol (isopropanol, isopropyl alcohol); C3H8O; [67-63-0]
NIST Chemistry WebBook
for detail
Original Measurements:
Letcher, T.M.; Bricknell, B.C.; Sewry, I.D.; Radloff, S.E.; J. Chem. Eng. Data 39, 320-3 (1994).
Variables:
Temperature = 298 K
Prepared By:
A. Skrzecz
Experimental Data:
(Notes on the Nomenclature)
Compositions along the saturation curve
t/°C
T/K
Mass Fraction w
1
Mass Fraction w
2
Mole Fraction x
1
(compiler)
Mole Fraction x
2
(compiler)
25.0
298.2
0.000
1.000
0.000
1.000
25.0
298.2
0.126
0.865
0.184
0.773
25.0
298.2
0.210
0.771
0.281
0.632
25.0
298.2
0.309
0.648
0.365
0.468
25.0
298.2
0.397
0.526
0.407
0.330
25.0
298.2
0.466
0.415
0.417
0.227
25.0
298.2
0.519
0.306
0.402
0.145
25.0
298.2
0.559
0.203
0.378
0.084
25.0
298.2
0.571
0.134
0.349
0.050
25.0
298.2
0.526
0.066
0.273
0.021
25.0
298.2
0.500
0.037
0.242
0.011
25.0
298.2
0.170
0.023
0.059
0.005
25.0
298.2
0.084
0.005
0.027
0.001
25.0
298.2
0.000
0.000
0.000
0.000
Compositions of coexisting phases
t/°C
T/K
Mass Fraction w
1
(compiler)
Mass Fraction w
2
(compiler)
Mole Fraction x
1
Mole Fraction x
2
Comment(s)
25.0
298.2
0.285
0.711
0.390
0.595
hydrocarbon-rich phase
25.0
298.2
0.321
0.633
0.372
0.450
hydrocarbon-rich phase
25.0
298.2
0.278
0.688
0.342
0.518
hydrocarbon-rich phase
25.0
298.2
0.220
0.759
0.291
0.616
hydrocarbon-rich phase
25.0
298.2
0.131
0.860
0.190
0.764
hydrocarbon-rich phase
25.0
298.2
0.434
0.465
0.412
0.270
water-rich phase
25.0
298.2
0.493
0.362
0.412
0.185
water-rich phase
25.0
298.2
0.554
0.218
0.382
0.092
water-rich phase
25.0
298.2
0.543
0.095
0.300
0.032
water-rich phase
25.0
298.2
0.438
0.033
0.197
0.009
water-rich phase
Method/Apparatus/Procedure:
The experimental methods have been described in Ref. 1. No more details were reported in the paper.
Source and Purity of Materials:
(1) Source not specified.
(2) Aldrich; distilled; purity >99.8 mole % by glc, p=0.692 65 g cm
-3
.
(3) Source not specified.
Estimated Errors:
Solubility: Not reported.
Temperature: Not reported.
References:
1
T. M. Letcher and P. M. Siswana, Fluid Phase Equilib. 74, 203 (1992).